import json

from todo import Todo
from storage_mysql import TodoStorageWithMysql
from flask import Flask, request

app = Flask(__name__)


app.config['JSON_AS_ASCII'] = False

storage = TodoStorageWithMysql()
storage.init_db()


@app.route("/")
def hello_world():
    return "<p>Hello, World!</p>"


@app.route("/todos", methods=['GET'])
def list_todos():
    return {"todos": [x.__dict__ for x in storage.get_list()]}


@app.route("/todos", methods=['POST'])
def create_todo():

    if 'title' not in request.form:
        return '参数错误，必须提供 title 参数', 400
    todo = storage.create(request.form['title'])
    return todo.__dict__


@app.route("/todos/mark_completed", methods=['GET'])
def mark_completed():
    if 'id' not in request.args:
        return '参数错误，必须提供 todo_id 参数', 400
    todo_id = int(request.args['id'])
    todo = storage.mark_completed(todo_id)
    if todo is not None:
        return todo.__dict__
    elif todo==1:
        return {'todos': [x.__dict__ for x in todo.comepleted_todo()]}
    else:
        return f'todo not found, todo_id={todo_id}', 404


if __name__ == '__main__':
    app.run()